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20120928
20121006
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of marine science says the number of reefs has dropped from 100 to 47. since 1985. the scientists identified two main causes of coral decline. the crown of thorn star fish is growing rapidly in number. the fish feed on the coral. and ocean warming is bleaching the coral. the scientists say this prevents the reef from recovering after cyclone damage. they worn coral cover could halve again by the end of the next decade if current trends continue. >> we believe that if we can take action on one of the things we can directly control, the crown of thorn starfish, it may leave the reef in a position where it can better withstand some of these climatic impacts. >> the reef extends more than 2,000 kilometers off the coast of northeastern australia. >>> officials and locals in india pulled together to pull one endangered species from the mud. they spent ten hours digging an indian rhinoceros from a swamp in the northeastern state. about 2,300 rhinos live in the national park, two-thirds of the world's population of the endangered animal. one of the rhinos strayed from the park after it was hit by fl
. there is some corals that live for many thousands of yeernz we found through some of the science we do we can drill holes down to the center of the corals and look at annual growth rings and we can look at when, in fact, when the first agriculture in australia happened, we saw a change in the type of chemistry that the annual growth rings and coral were depositing. so we have seen a chronology of increased siltation, of increased fertilization, of
Search Results 0 to 2 of about 3 (some duplicates have been removed)